A top administrator at the department overseeing state mental hospitals has been cleared of wrongdoing after an investigation into harassment claims filed by subordinates.

California Health and Human Services officials announced Thursday that the claims against chief deputy director Kathryn Radtkey-Gaither were found to be unsubstantiated. They also said she will retire from state service.

Radtkey-Gaither was placed on paid leave July 15, shortly after the state Senate confirmed her permanent appointment. She was hired by the department two years ago.

The Los Angeles Times reported last week that the agency received complaints from two of Radtkey-Gaither's subordinates. The complaints alleged the administrator had shown a pattern of rude and punitive behavior.

The agency also has revamped its process for recruiting a permanent director for the state hospitals.